Theodoxus meridionalis is a species of freshwater snail with a gill and an operculum. It is an aquatic gastropod mollusk in the family Neritidae, the nerites.
| Theodoxus meridionalis | |
|---|---|
 | |
| Two views of a shell of Theodoxus meridionalis; the left view has the operculum in place in a partially open position | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Neritimorpha |
| Order: | Cycloneritida |
| Family: | Neritidae |
| Genus: | Theodoxus |
| Species: | T. meridionalis |
| Binomial name | |
| Theodoxus meridionalis | |
| Synonyms[3] | |
Nerita meridionalis Philippi, 1836 | |
Distribution
The distribution of this species includes Sicily (which is part of Italy), and north-western Tunisia.[3][1]
The type locality is Syracuse, Sicily.[4]
Description
The shell is cone-shaped to half-egg-shaped, almost smooth and weakly shiny.[3] The color is pale yellowish with dark red to blackish zigzag streaks.[3]
Dimensions of the shell are 4-5 × 7-8 mm.[3]
Ecology
References
This article incorporates public domain text from the reference[3]
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